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Railways PYQCBT 1 2016

RRB NTPC · Question 32

Find the missing (?) in the series. AB, CE, FI, ?, OT A. JM B. GK C. HO D. JN

  1. D

  2. A

  3. C

  4. B

Show answer & explanation

Answer: (A) D

Explanation

The gap between the two letters grows by 1 each time: A→B (+1), C→E (+2), F→I (+3), so next comes +4, and O→T (+5). Each term also starts one letter after the previous term ends: B → C, E → F, I → J. So the missing term is J→N, i.e. JN.